Overview
We are seeking an experienced and technically strong Principal Mechanical Engineer to lead the design and development of electric machine systems within a cutting-edge engineering environment. This role focuses on the mechanical design, thermal performance, and integration of electric motors, ensuring robust, reliable, and manufacturable solutions.
You will work across the full product lifecycle—from concept through validation and production—playing a key role in delivering high-performance motor designs that meet real-world operating requirements. This is a senior-level position with significant ownership, technical leadership, and cross-functional collaboration.
Schedule
Shift: Monday–Friday
Hours: 8:30 AM – 5:00 PM
Overtime: Additional hours may be required based on business needs
Key Responsibilities
Lead the mechanical design and integration of electric machines, including rotor, stator, shaft, bearings, and housing systems
Develop rotor constructions, including magnet selection, placement, and retention strategies
Ensure structural integrity under high-speed conditions, including fatigue and containment considerations
Define and implement thermal management strategies, including airflow and cooling system design
Design and integrate key motor components, including stator windings, insulation systems, and flux paths
Integrate sensing solutions such as speed, position, and temperature sensors
Collaborate with electromagnetic and controls teams to translate performance targets into practical designs
Perform and guide engineering analysis including stress, deformation, vibration, and thermal behavior
Lead FMEA activities, risk identification, and root cause investigations
Define and execute test and validation plans for performance, durability, and thermal requirements
Work closely with test teams to ensure accurate data collection and validation of design intent
Review test results, identify issues, and drive continuous design improvements
Ensure designs are suitable for manufacturing, including assembly methods, tooling, and cost considerations
Support internal and customer-facing discussions by clearly communicating technical decisions and outcomes
Qualifications
Degree in Mechanical Engineering or related discipline
Proven experience in electric machine design with a focus on mechanical and thermal systems
Experience designing rotor systems, including magnet retention and high-speed operation
Knowledge of stator construction and winding integration
Hands-on experience with motor build, testing, and validation
Experience leading FMEA and failure analysis activities
Understanding of air-cooled thermal management systems
Experience working within cross-functional engineering teams
Core Competencies
Strong technical expertise in electric machine design
Analytical thinking and problem-solving capability
Ability to balance performance, durability, manufacturability, and cost
Structured, data-driven decision-making approach
Effective communication and stakeholder engagement
Leadership and ownership mindset
Equipment & Technologies
Mechanical and thermal analysis tools
CAD and engineering design software
Motor testing and validation systems
Materials used in electric machines (electrical steel, magnets, conductors)
Engineering documentation and reporting tools